Bolam, J. et.al. 1988. Cellular substrate of the histochemically defined striosome/matrix system of the caudate nucleus: a combined Golgi and immunocytochemical study in cat and ferret. Neuroscience24, 853-875.

Haber, S.N., Fudge, J.L., and McFarland, N.R.2000. Striatonigrostriatal pathways in primates form an ascending spiral from the shell to the dorsolateral striatum. The Journal of Neuroscience 20: 2369–2382.

Joel, D. and Weiner, I.2000. The connections of the dopaminergic system with the striatum in rats and primates: an analysis with respect to the functional and compartmental organization of the striatum.Neuroscience96: 451–474.

Penny, G.R. et.al. 1986. The glutamate decarboxylase immunoreactive, met-enkephalin-immunoreactive and substance P-immunoreactive neurons in the neostriatum of the rat and cat. Evidence for partial population overlap. Neuroscience17: 1011-1045.